This town is home to the world’s largest arch constructed entirely of elk antlers.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

This sculpture gallery is home to magnificent beasts made of scrap metal and found objects.

An entire city block built completely out of petrified wood.

Belly up to the bar in Cowtown, don't forget to buy some boots.

The "world’s largest honky-tonk" also has its own indoor rodeo arena.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Inside this casino, visitors are treated to slot machines and a rare German Christmas pyramid.

An experimental, automotive replica of Stonehenge.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The crumbling structure is a rare surviving relic of the area's bygone mining industry.

The first declared National Monument in the United States.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

A cemetery housing wild west legends in South Dakota.

Witness to many historic moments in early Texas history.

Craggy concrete faces are hidden in the walls of this artificial cave along the San Antonio River.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

A tiny waterway named after a ghost story.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

This tiny, hurricane-resistant house in Galveston is one of the city's most notable architectural oddities.

This hollowed salt dome is the largest oil storage facility in the world, hoarding 250 million barrels of crude oil.

A health museum containing a 27’’½-foot intestine.